Chapter

Biodiversity and Biogeography

Peter J. Hogarth

in The Biology of Mangroves and Seagrasses, Third Edition

Third edition

Published in print May 2015 | ISBN: 9780198716549
Published online August 2015 | e-ISBN: 9780191802676 | DOI: https://dx.doi.org/10.1093/acprof:oso/9780198716549.003.0010
Biodiversity and Biogeography

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The Indo-West Pacific region (IWP) has more species of mangrove than the Atlantic-Caribbean-East Pacific (ACEP). This and other biogeographical patterns can be understood only with reference to tectonic movements, the evolutionary diversification of mangroves, and barriers to dispersal. Local species diversity and intraspecific genetic diversity are affected by distance from source populations, and by species/area relationships. Similar considerations apply to the biogeography and biodiversity of seagrasses. Although difficult to establish unequivocally, high diversity seems to render an ecosystem more productive, less prone to fluctuation, and more resilient.

Keywords: biodiversity; biogeography; diversification; ecosystem function; evolution; mangrove; productivity; resilience; seagrass; species/area relationship; stability

Chapter.  7935 words.  Illustrated.

Subjects: Aquatic Biology ; Animal Pathology and Diseases

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